[알고리즘/백준] 2742 기찍N(자바)

[알고리즘/백준] 2742 기찍N(자바)

문제

https://www.acmicpc.net/problem/2742

풀이 코드

System.out.println() 대신 StringBuilder 를 사용하여 실행시간 단축

public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); StringBuilder sb = new StringBuilder(); for (int i = n; i >= 1; i--) { sb.append(i).append("

"); } System.out.println(sb); } }

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from http://developer-hm.tistory.com/150 by ccl(A) rewrite - 2021-09-19 01:27:46